and also this is the stuff from terminal:
BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

~ $ df
Filesystem 1k-blocks Used Available Use% Mounted on
rootfs 232752 135908 92560 59% /
ubi0:rootfs 232752 135908 92560 59% /
tmpfs 1024 72 952 7% /tmp
tmpfs 256 84 172 33% /var/run
none 10240 72 10168 1% /dev
tmpfs 65536 4 65532 0% /dev/shm
/dev/mmcblk0p2 2064208 2018212 0 100% /home
/home/opt 2064208 2018212 0 100% /opt
/opt/pymaemo/usr/lib/python2.5
2064208 2018212 0 100% /usr/lib/python2.5
/opt/pymaemo/usr/share/pyshared
2064208 2018212 0 100% /usr/share/pyshared
/opt/pymaemo/usr/lib/pyshared
2064208 2018212 0 100% /usr/lib/pyshared
/opt/pymaemo/usr/share/python-support
2064208 2018212 0 100% /usr/share/python-support
/opt/pymaemo/usr/lib/python-support
2064208 2018212 0 100% /usr/lib/python-support
/dev/mmcblk0p1 28312128 7601344 20710784 27% /home/user/MyDocs
~ $ ls -al /opt
drwxr-xr-x 27 root root 4096 Nov 24 17:19 .
drwxr-xr-x 26 root root 1840 Nov 18 17:27 ..
drwxr-xr-x 2 root root 4096 Sep 11 01:34 bin
drwxr-xr-x 4 root root 4096 Oct 28 21:47 catorise
drwxr-xr-x 2 root root 4096 Nov 24 17:09 crochik
drwxr-xr-x 3 root root 4096 Oct 28 20:24 fapman-cache
drwxr-xr-x 2 root root 4096 Nov 15 20:12 fapn
drwxr-xr-x 4 root root 4096 Oct 30 13:45 filebox
drwxr-xr-x 4 root root 4096 Nov 15 20:13 fmms
drwxr-xr-x 2 root root 4096 Nov 13 20:42 lfocus
drwxrwxr-x 3 root root 4096 Nov 19 18:25 lib
drwxrwxr-x 3 root root 4096 Oct 28 20:15 maemo
drwxr-xr-x 7 root root 4096 Nov 24 14:27 maesynth
drwxr-xr-x 14 root root 4096 Nov 20 14:24 mediabox
drwxr-xr-x 3 root root 4096 Nov 13 17:39 modrana
drwxr-xr-x 5 root root 4096 Oct 31 08:38 opera
drwxrwxr-x 9 root root 4096 Nov 7 12:19 plastic-schemes
drwxr-xr-x 5 root root 4096 Nov 7 10:39 preenv
drwxr-xr-x 2 root root 4096 Nov 13 21:03 psx4m
drwxr-xr-x 3 root root 4096 Nov 1 21:36 pymaemo
drwxr-xr-x 3 root root 4096 Oct 28 20:41 rovio
drwxrwxr-x 2 root root 4096 Oct 28 20:27 rx
drwxr-xr-x 4 root root 4096 Sep 11 01:34 share
drwxrwxrwx 8 root root 4096 Nov 20 14:24 theme-customizer
drwxr-xr-x 3 root root 4096 Nov 24 07:53 unzip
drwxr-xr-x 7 root root 4096 Nov 16 20:07 usr
drwxr-xr-x 4 root root 4096 Oct 28 19:54 var
~ $ mount
rootfs on / type rootfs (rw)
ubi0:rootfs on / type ubifs (rw,bulk_read,no_chk_data_crc)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
tmpfs on /tmp type tmpfs (rw,noatime,size=1024k)
tmpfs on /var/run type tmpfs (rw,nosuid,noatime,size=256k,mode=755)
none on /dev type tmpfs (rw,noatime,size=10240k,mode=755)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,noatime,size=65536k)
/dev/mmcblk0p2 on /home type ext3 (rw,noatime,errors=continue,commit=1,data=writebac k)
/home/opt on /opt type none (bind)
nodev on /sys/kernel/debug type debugfs (0)
/opt/pymaemo/usr/lib/python2.5 on /usr/lib/python2.5 type bind (bind)
/opt/pymaemo/usr/share/pyshared on /usr/share/pyshared type bind (bind)
/opt/pymaemo/usr/lib/pyshared on /usr/lib/pyshared type bind (bind)
/opt/pymaemo/usr/share/python-support on /usr/share/python-support type bind (bind)
/opt/pymaemo/usr/lib/python-support on /usr/lib/python-support type bind (bind)
/dev/mmcblk0p1 on /home/user/MyDocs type vfat (rw,noauto,nodev,nosuid,noatime,noexec,nodiratime, utf8,uid=29999,shortname=mixed,dmask=000,fmask=013 3,rodir)
~ $ du -h /opt | sort -h
sort: invalid option -- h
BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso30+0m5) multi-call binary

Usage: sort [-nrugMcszbdfimSTokt] [-o FILE] [-k start[.offset][opts][,end[.offset][opts]] [-t CHAR] [FILE]...

~ $


how do i check if its mounted and stuff?